Figure 122 The DDMS Control Panel

Inside the DDMS are four panels that provide different kinds of debugging data:

■ Devices—Displays the connected Android devices including emulators and actual Android devices.

■ Emulator Control—Provides multiple controls for injecting events and data into the emulator such as Telephony Status,Telephony Action, and Location Control:

■ The Telephony Status specifies the voice and data format, network speed, and latency.

■ The Telephony Actions provides a way to make a fake voice phone call or Short Message Service (SMS) message to the emulator. If an SMS is specified, the message content can be defined.

■ The Location Control provides a way to send a fake Global Positioning System (GPS) signal to the GPS provider in the emulator.

■ Bottom Panel—Contains three tabs: LogCat, Outline, and Properties.The LogCat tab shows all the logging data from the device in real-time. It includes system log messages and user-generated log messages accessed using the Log class in applications.

■ The Device Status Panel—The top, right panel contains four tabs:Thread, Heap, Allocation Tracker, and File Explorer.These are mostly used to analyze the process. Clicking the device in the Devices tab can cause these four tabs to reflect the currently selected device/emulator's running values, as shown in Figure 12.3.

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Figure 12.3 The DDMS Control Panel with the Device Status Panel open.

Figure 12.3 The DDMS Control Panel with the Device Status Panel open.

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